Note: You cannot change cluster size later. You must create a new image and clone the old data using qemu-img convert .
Users wanted to run Windows 7 on virtualization platforms, and qcow2 became a popular choice for storing Windows 7 virtual disks. The combination of Windows 7 and qcow2 offered several benefits: windows 7 qcow2 top
virsh snapshot-revert win7-vm clean-state Note: You cannot change cluster size later
To make this a high-quality "template" image, perform these steps inside the guest OS: windows 7 qcow2 top
You can save the state of your Windows 7 environment before making risky changes.